21.With the fast development of agriculture, the people _____ village I taught before have lived a happy life.　　　　 A. who　 B. whose　 C. in whose　 D. in which

19.His sister had become a teacher, ______ was what he wanted to be.

A. who　 B. what　 C. that　 D. which

winter _____ you’ll spend in Harbin, I’m sure, will be another exciting holiday.

A. which　 B. when　　 C. in which　 D. where

18.Alice has a large collection of photos, ______ was taken in London.

A. none of them　 B. no one of which　　 C. all of which　 D. none of which

17.Will you please show me the way to the only tall building _______ stands near the post office.　　　　　　 A.　 x　　 B. in which　 C. that　 D. where

16.He lived in London for 3 years, during _____ time he learned some English.

A. this　 B. which　 C. that　 D. same

15.There were two small rooms in the house, ______ served as a kitchen.

A. the smaller of which　 B. the small of which

C. the smaller of them　　 D. the smaller one

14. I don’t believe the reason ______ he has given for his being late.

　 A. why　 B. that　 C. how　 D. what

13.I’ll remember the time _____ we spent together in the country.

A. that　 B. when　 C. during which　 D. at which

12.He has made a wonderful discovery, _______ of great importance to science.

A. which I think is　 B. which do I think is　

C. I think which is　 D. which I think it is

11.She may have missed her train, in ______ case she won’t arrive for another hour.

A. what　 B. that　 C. which　 D. this